|  | C312312111133131212111133133313331333133112113313331333112113313331333133313331333131333133313221 
  >> |  | C31231211113313121211113313331333133313311211331333133311211331333133313331333133313133313331322 
  << |  | C312312111133131212111133133313331333133112113313331333112113313331333133313331333131333133313223 
  >> |  |